CN110459115A - Portable Internet of Things elevator apparatus for demonstrating - Google Patents
Portable Internet of Things elevator apparatus for demonstrating Download PDFInfo
- Publication number
- CN110459115A CN110459115A CN201910657492.4A CN201910657492A CN110459115A CN 110459115 A CN110459115 A CN 110459115A CN 201910657492 A CN201910657492 A CN 201910657492A CN 110459115 A CN110459115 A CN 110459115A
- Authority
- CN
- China
- Prior art keywords
- elevator
- things
- internet
- cabinet
- demonstrating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007257 malfunction Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000006855 networking Effects 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The present invention relates to elevator Internet of Things teaching equipment technical fields, especially portable Internet of Things elevator apparatus for demonstrating, including cabinet, the positive shell of the cabinet is equipped with display unit, car button unit, intercom unit, simulated failure pushbutton unit, the cabinet is equipped with antenna and power outlet, and the box house is equipped with elevator control system master control borad, Internet of Things Intelligent hardware DTU, Instruction Plate, elevator car, Switching Power Supply.The present invention on cabinet by being arranged display unit identical with inner structure of elevator and car button unit, it is equipped with the simulation failure button unit on cabinet, that faces directly improves impression of the user to Internet of Things elevator, its light structure, it is easy to carry, operate it is convenient can really elevator operation and malfunction under complete analogies networking monitoring, facilitate the application for pushing Internet of Things elevator technology and development.
Description
Technical field
The present invention relates to elevator Internet of Things teaching equipment technical field, especially portable Internet of Things elevator apparatus for demonstrating.
Background technique
With the high speed development of Chinese national economy and Urbanization Construction, the usage amount of elevator is also being risen rapidly.Elevator
Internet of Things is the remote elevator monitoring system established using modern technology of Internet of things and high-tech means, it has been installed using elevator
Sensor perception elevator real-time running state, and by information collection sending device, by the elevator warning of acquisition, event and
The signals such as failure are sent to distal end application platform in time, and the management of elevator intelligent is realized by the Data Analysis Services of platform.
As the elevator of special equipment, government is reinforcing always the supervision being safely operated to it, continuously improves maintenance
Maintenance mode promotes maintenance quality, while encouraging to promote the remote supervision system based on Internet of Things that elevator installation satisfies the requirements,
By maintenance unit by inspection and monitoring and maintenance on actual time line, on-site maintenance under targetedly line is taken to maintain, by maintenance
Switch to real-time monitoring maintenance from maintenance on time, by advanced informationization technology measure, take scientific and effective maintenance,
Farthest ensure elevator safety operation.Simultaneously by technology of Internet of things means, maintenance staff can be with real-time detection, the in time palm
The operation conditions and fault message of elevator are held, processing solves field failure, saves stranded passenger at the first time；By to Internet of Things
The various failures of elevator, operation, statistical information big data analysis, be conducive to elevator manufacturing enterprise and maintenance unit improve product and
Service quality；Elevator Internet of Things has built one for elevator manufacturing enterprise, maintenance unit, using unit and government regulator simultaneously
A shared platform provides service jointly for elevator safety operation.
Currently, also there are some elevator Internet of Things operating systems, but the sense of reality of system is not strong, rests on video mostly
Demonstration and the level manually explained make user be difficult to grasp object due to the theoretical property of Internet of Things teaching, nature static, non-intuitive
Elevator details of networking and dynamic operation situation, final the effect of publicity is very unsatisfactory, and result of training is bad.Consequently, to facilitate more preferable
Ground is to market and user promotes and applies and real time demonstration elevator internet of things functional and system, and user and maintenance unit is allowed to experience conscientiously
Elevator internet of things functional and significance, there is an urgent need to design and produce a kind of portable Internet of Things elevator apparatus for demonstrating.
Summary of the invention
It is an object of the present invention in view of the drawbacks of the prior art and insufficient, a kind of light structure, carrying side are provided
Just, operate it is convenient can really under complete analogies networking monitoring elevator operation and malfunction portable Internet of Things
Elevator apparatus for demonstrating.
Technical scheme is as follows:
The portable Internet of Things elevator apparatus for demonstrating, including cabinet, it is single that the positive shell of the cabinet is equipped with display
Member, car button unit, intercom unit, simulated failure pushbutton unit, the cabinet are equipped with antenna and power outlet, institute
The box house stated is equipped with elevator control system master control borad, Internet of Things Intelligent hardware DTU, Instruction Plate, elevator car, switch electricity
Source, the power outlet and Switching Power Supply are electrically connect, the Internet of Things Intelligent hardware DTU, simulated failure pushbutton unit,
Elevator control system master control borad is electrically connected in elevator car, and Instruction Plate and the cabinet shell of the box house power on
Elevator car is electrically connected in terraced display unit, the car button unit on the cabinet shell and intercom unit point
Not electricity Xing Lianjie box house Instruction Plate, the antenna and Internet of Things Intelligent hardware DTU are electrically connected.
Preferably, the elevator control system master control borad is for receiving elevator operation and control signal, according to mould
The lift fault signal of quasi- failure button unit input completes corresponding elevator logic control box failure disposition, and elevator is transported
Row state and fault-signal are sent to Internet of Things Intelligent hardware DTU.
Preferably, the Internet of Things Intelligent hardware DTU connects elevator control system master control borad by 232 serial communications and uses
In receiving the elevator data on transmission elevator control system master control borad, clothes are sent for elevator data by the wireless network of antenna
Be engaged in device, and receive elevator emergency alarm voice converse and pass through wireless network by elevator emergency alarm voice converse be sent to finger
Fixed user receiving end.
Preferably, the data SIM card of operator is housed to realize data communication in the Internet of Things Intelligent hardware DTU.
Preferably, the elevator car is connected by CAN communication with elevator control system master control borad, for receiving sedan-chair
The operation control instruction exported on the pushbutton unit of compartment, and by MOD communication connection elevator display unit for showing in real time
Elevator operation and malfunction.
Preferably, the simulated failure pushbutton unit includes under-voltage fault-signal, deceleration overcurrent fault signal, puts down
Layer signal fault-signal, elevator speed abnormal failure signal, safety circuit disconnect fault-signal.
Preferably, the top of the box is equipped with carrying handle.
Preferably, the cabinet is equipped with emergent alarm phone, and the emergent alarm phone and Internet of Things are intelligently hard
Part DTU is electrically connected.
Preferably, the box house is equipped with backup power source, and the backup power source is electrically connect with Switching Power Supply.
The invention has the benefit that portable Internet of Things elevator apparatus for demonstrating passes through setting and elevator interior on cabinet
The identical display unit of structure and car button unit are equipped with simulation failure button unit, elevator controlling system on cabinet
The data information received on system master control borad is sent to specified use Internet of Things Intelligent hardware DTU in real time in a manner of short message
Family end, display unit can carry out corresponding status display with the data information received in presentation process, to realize Internet of Things
The real time monitoring of net elevator operation, and lift car occurs to demonstrate intelligently hard by Internet of Things under emergent alarm situation
Part DTU can by the phonetic alarm telephone with it is multiple emergency receive a crime report people carry out calling contact, that faces directly improves user to Internet of Things
The impression of net elevator, light structure is easy to carry, operate it is convenient can really elevator be transported under complete analogies networking monitoring
Row state and malfunction facilitate the application for pushing Internet of Things elevator technology and development.
Detailed description of the invention
Fig. 1 is the portable Internet of Things elevator apparatus for demonstrating outside schematic diagram of the embodiment of the present invention；
Fig. 2 is the portable Internet of Things elevator apparatus for demonstrating system wiring figure of the embodiment of the present invention；
Fig. 3 is the portable Internet of Things elevator apparatus for demonstrating schematic internal view of the embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
As shown in Figure 1-Figure 3, the portable Internet of Things elevator apparatus for demonstrating in the embodiment of the present invention, including cabinet 1, institute
The positive shell of cabinet 1 stated is equipped with display unit 10, car button unit 11, intercom unit 12, simulated failure button
Unit 13, the cabinet are equipped with antenna 14 and power outlet 15, are equipped with elevator control system master control inside the cabinet 1
Plate 20, Internet of Things Intelligent hardware DTU21, Instruction Plate 22, elevator car 23, Switching Power Supply 24, the power outlet 15 with
Switching Power Supply 24 is electrically connected, the Internet of Things Intelligent hardware DTU21, simulated failure pushbutton unit 13, elevator car 23
Elevator control system master control borad 20 is electrically connected, elevator is aobvious on the Instruction Plate 22 inside the cabinet 1 and 1 shell of cabinet
Show that elevator car 23 is electrically connected in unit 10, the car button unit 11 on 1 shell of cabinet is electrically connected case
Instruction Plate 22 inside body 1, the antenna 14 and Internet of Things Intelligent hardware DTU21 are electrically connected, by being arranged on cabinet 1
Display unit 10 identical with inner structure of elevator and car button unit 11, are equipped with and simulate failure button on cabinet 1
Unit 13, the data information received on elevator control system master control borad 20 is by Internet of Things Intelligent hardware DTU21 with short message
Mode is sent to specified user terminal in real time, and display unit 10 can carry out corresponding with the data information received in presentation process
Status display, to realize the real time monitoring of Internet of Things elevator operation, theory structure is rationally, the system integration is high, demonstrates function
Energy real-time is good, and simulated operation operation is true complete.
In the present embodiment, the elevator control system master control borad 20 is believed for receiving elevator operation and control
Number, corresponding elevator logic control box failure is completed according to the lift fault signal that simulated failure pushbutton unit 13 inputs and is disposed,
And elevator operation and fault-signal are sent to Internet of Things Intelligent hardware DTU21.
In the present embodiment, the Internet of Things Intelligent hardware DTU21 connects elevator control system by 232 serial communications
Master control borad 20 is used to receive the elevator data on transmission elevator control system master control borad 20, will be electric by the wireless network of antenna 14
Terraced data are sent to server, and receive elevator emergency alarm voice and converse and pass through wireless network and elevator emergency is alarmed language
Sound call is sent to specified user receiving end, when lift car emergent alarm phone call, Internet of Things Intelligent hardware
DTU21 receives the call signal, while alarm call can be transmitted to multiple receive a crime report on personnel's mobile phone by wireless network.Object
Networking Intelligent hardware DTU21 increases emergent alarm telephone receiving personnel, can allow carriage alarm call and multiple designers into
Successively Alternate Call Service, the range and timeliness for responding alarm call have obtained significant increase to row.
Further, the data SIM card in Internet of Things Intelligent hardware DTU21 in the above-described embodiments equipped with operator is come
Realize data communication.
In the present embodiment, the elevator car 23 is connected by CAN communication with elevator control system master control borad 20,
For receiving the operation control instruction exported on car button unit 11, elevator car 23 is responsible for the control of carriage correlation signal
And processing, and by MOD communication connection elevator display unit 10 for showing real-time elevator operation and malfunction.
Specifically, the simulated failure pushbutton unit 13 passes through I/O mouthfuls of inputs events on elevator control system master control borad 20
Hinder signal comprising under-voltage fault-signal, deceleration overcurrent fault signal, leveling signal fault signal, elevator speed are abnormal
Fault-signal, safety circuit disconnect fault-signal, are not limited only to above-mentioned existing fault-signal herein, user can be according to demonstration
Demand carries out customized setting fault-signal, further promotes the authenticity of device application.
In the present embodiment, the display unit 10 is responsible for the operation of display elevator and control signal, digital-scroll technique include
Multi-segment formula, the digital multiple display modes such as dot matrix and liquid crystal display, the display unit 10 pass through Mod485 communication port and sedan-chair
Compartment controller is connected.
In the present embodiment, the top of the box is equipped with carrying handle 16, is taken at any time convenient for user to different scenes
It is demonstrated.
In the present embodiment, the cabinet is equipped with emergent alarm phone 17, the emergent alarm phone 17 and object
The Intelligent hardware DTU21 that networks is electrically connected, and is directly carried out call demonstration convenient for scene, is achieved the effect that really to apply.
In order to improve the product demonstration convenience, the box house be equipped with backup power source 25, described is spare
Power supply 25 and Switching Power Supply 24 are electrically connected, and can equally be demonstrated in outdoor when ambient enviroment is accessed without power available
Education.
The invention has the benefit that in lift car emergent alarm situation occurs for portable Internet of Things elevator apparatus for demonstrating
Under, can also demonstrate can be by the phonetic alarm telephone and multiple people's progress of receiving a crime report of meeting an urgent need by Internet of Things Intelligent hardware DTU21
Calling connection, that faces directly improves impression of the user to Internet of Things elevator, and light structure is easy to carry, and operation is convenient can
Elevator operation and malfunction under true complete analogies networking monitoring, help to push answering for Internet of Things elevator technology
With with development.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (8)
1. portable Internet of Things elevator apparatus for demonstrating, including cabinet, it is characterised in that: the positive shell of the cabinet is equipped with
Display unit, car button unit, intercom unit, simulated failure pushbutton unit, the cabinet are equipped with antenna and power supply
Socket, the box house are equipped with elevator control system master control borad, Internet of Things Intelligent hardware DTU, Instruction Plate, carriage control
Device, Switching Power Supply, the power outlet are electrically connect with Switching Power Supply, the Internet of Things Intelligent hardware DTU, simulated failure
Elevator control system master control borad, the Instruction Plate and case of the box house is electrically connected in pushbutton unit, elevator car
Elevator car is electrically connected in elevator display unit in body case, the car button unit on the cabinet shell with it is right
The Instruction Plate of box house is electrically connected in the machine unit of saying, the antenna and Internet of Things Intelligent hardware DTU are electrically connected.
2. portable Internet of Things elevator apparatus for demonstrating as described in claim 1, it is characterised in that: the elevator control system
For master control borad for receiving elevator operation and control signal, the lift fault signal inputted according to simulated failure pushbutton unit is complete
It is disposed at corresponding elevator logic control box failure, and it is intelligently hard that elevator operation and fault-signal be sent to Internet of Things
Part DTU.
3. portable Internet of Things elevator apparatus for demonstrating as claimed in claim 2, it is characterised in that: the Internet of Things is intelligently hard
Part DTU connects elevator control system master control borad for receiving on transmission elevator control system master control borad by 232 serial communications
Elevator data sends server for elevator data by the wireless network of antenna, and it is logical to receive elevator emergency alarm voice
It talks about and passes through wireless network and send specified user receiving end for the call of elevator emergency alarm voice.
4. portable Internet of Things elevator apparatus for demonstrating as claimed in claim 3, it is characterised in that: the Internet of Things is intelligently hard
The data SIM card of operator is housed to realize data communication in part DTU.
5. portable Internet of Things elevator apparatus for demonstrating as claimed in claim 4, it is characterised in that: the elevator car is logical
CAN communication is crossed to be connected with elevator control system master control borad, for receiving the operation control instruction exported on car button unit, and
And by MOD communication connection elevator display unit for showing real-time elevator operation and malfunction.
6. portable Internet of Things elevator apparatus for demonstrating as claimed in claim 5, it is characterised in that: the simulated failure button
Unit includes under-voltage fault-signal, deceleration overcurrent fault signal, leveling signal fault signal, elevator speed abnormal failure letter
Number, safety circuit disconnect fault-signal.
7. portable Internet of Things elevator apparatus for demonstrating as claimed in claim 6, it is characterised in that: the cabinet is equipped with and answers
Anxious alarm call, the emergent alarm phone and Internet of Things Intelligent hardware DTU are electrically connected.
8. portable Internet of Things elevator apparatus for demonstrating as claimed in claim 7, it is characterised in that: the box house is equipped with
Backup power source, the backup power source are electrically connect with Switching Power Supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657492.4A CN110459115A (en) | 2019-07-19 | 2019-07-19 | Portable Internet of Things elevator apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657492.4A CN110459115A (en) | 2019-07-19 | 2019-07-19 | Portable Internet of Things elevator apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110459115A true CN110459115A (en) | 2019-11-15 |
Family
ID=68481535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910657492.4A Pending CN110459115A (en) | 2019-07-19 | 2019-07-19 | Portable Internet of Things elevator apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110459115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724442A (en) * | 2022-03-26 | 2022-07-08 | 润建股份有限公司 | Combined type electric fire and safety electricity utilization monitoring system and demonstration method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061943A (en) * | 1990-11-28 | 1992-06-17 | 奥蒂斯电梯公司 | Elevator simulator |
| CN2591697Y (en) * | 2002-12-31 | 2003-12-10 | 天津市源峰科技发展公司 | Unit combined multilayer multistop elevator education model teaching aid |
| CN101540116A (en) * | 2008-03-19 | 2009-09-23 | 株式会社日立制作所 | Function introduction demonstration device and function introduction demonstration method of elevator |
| CN106603668A (en) * | 2016-12-17 | 2017-04-26 | 上海新时达电气股份有限公司 | Elevator internet-of-things intelligent box and system |
| CN107720474A (en) * | 2017-12-05 | 2018-02-23 | 江苏汇菱电梯有限公司 | Integrated Multimedia surveillance system Internet of things system |
| CN211087711U (en) * | 2019-07-19 | 2020-07-24 | 菱王电梯股份有限公司 | Portable thing networking elevator presentation device |
-
2019
- 2019-07-19 CN CN201910657492.4A patent/CN110459115A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061943A (en) * | 1990-11-28 | 1992-06-17 | 奥蒂斯电梯公司 | Elevator simulator |
| CN2591697Y (en) * | 2002-12-31 | 2003-12-10 | 天津市源峰科技发展公司 | Unit combined multilayer multistop elevator education model teaching aid |
| CN101540116A (en) * | 2008-03-19 | 2009-09-23 | 株式会社日立制作所 | Function introduction demonstration device and function introduction demonstration method of elevator |
| CN106603668A (en) * | 2016-12-17 | 2017-04-26 | 上海新时达电气股份有限公司 | Elevator internet-of-things intelligent box and system |
| CN107720474A (en) * | 2017-12-05 | 2018-02-23 | 江苏汇菱电梯有限公司 | Integrated Multimedia surveillance system Internet of things system |
| CN211087711U (en) * | 2019-07-19 | 2020-07-24 | 菱王电梯股份有限公司 | Portable thing networking elevator presentation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724442A (en) * | 2022-03-26 | 2022-07-08 | 润建股份有限公司 | Combined type electric fire and safety electricity utilization monitoring system and demonstration method thereof |
| CN114724442B (en) * | 2022-03-26 | 2024-05-14 | 润建股份有限公司 | Combined electrical fire and safety electricity consumption monitoring system and demonstration method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102807145B (en) | Wireless network-based elevator fault alarm and diagnosis method and device | |
| CN110535711B (en) | Video monitoring fault diagnosis system and diagnosis method | |
| CN103179212A (en) | Intelligent community management service method and network architecture | |
| CN203192178U (en) | Rainstorm and flood disaster monitoring/early warning and emergency command system | |
| CN103281676A (en) | Instant messaging system and method for taxi | |
| CN205754320U (en) | A kind of voice-based people and building intelligence interactive system | |
| CN112929505A (en) | Highway emergency dispatching system based on fuse communication technology | |
| CN107632568A (en) | A kind of household electricity comprehensive monitoring management system | |
| CN107018205A (en) | A kind of network intelligence fire fighting hydraulic pressure table control system and its control method | |
| CN110459115A (en) | Portable Internet of Things elevator apparatus for demonstrating | |
| CN103475860A (en) | Visual intercom system | |
| CN1972155A (en) | Tourism guiding and broadcasting information system | |
| CN110807904A (en) | Beidou satellite-based emergency rescue command system | |
| CN211087711U (en) | Portable thing networking elevator presentation device | |
| CN206505534U (en) | A kind of Multifunction apparatus for telecommunications and system | |
| CN206192595U (en) | Leak water alarming sells water machine | |
| CN111372274B (en) | Simulation test equipment for command system unit car group network | |
| CN202871250U (en) | Wisdom tourism terminal based on 3rd generation telecommunication (3G) wireless network | |
| CN203288078U (en) | Instant communication system of taxi | |
| CN106910312A (en) | A kind of intelligent repository remote data monitoring warning system | |
| CN208120491U (en) | A kind of key alarm deliverance apparatus | |
| CN216210548U (en) | Looped netowrk cabinet operation fault monitoring system | |
| CN108808855A (en) | A kind of power energy information management system | |
| CN107995228A (en) | Intelligent terminal for special vehicle control authority remote management | |
| CN209930294U (en) | Multimedia integrated access equipment for emergency communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 528200 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant after: Lingwang Elevator Co.,Ltd. Address before: 528200 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant before: WINONE ELEVATOR Co.,Ltd. |
|
| CB02 | Change of applicant information |